Q: I had the oil changed friday. Tonight the oil pressure gauge was all over the place and it said low oil pressure.

Hi. It sounds like you are having some carburetor problems. Im going to guess you have a Holley or a Edlebrock. They both have been known to have many problems. I finally decided to get rid of my Holleys and...

There are multiple reasons why your Dodge Durango may have stopped running. The water in the oil is typically a problem with a blown head gasket (https://www.yourmechanic.com/article/what-is-the-purpose-of-engine-gaskets), but most of the time a car will stop running completely when there...

On vehicles with this type of concern, it is usually caused by a malfunctioning blend door or blend door motor inside of the air conditioning system. I'd suggest getting some help from an experienced technician who's capable of disassembling the...

Hello. If the fuse is okay, then the next thing I would look at the wiring. Most tachometers (https://www.yourmechanic.com/article/3-essential-things-to-know-about-your-car-s-tachometer) get their signal from the crank sensor or ignition module and will malfunction if there is an issue with the signal....

My guess is that the unstable idle and unintended acceleration is due to a faulty idle air control valve (IAC). The powertrain control module (PCM) uses the idle air control valve to divert air around the throttle. Increasing the amount...

working on this

Shaking or vibrating may be caused by many different things such as faulty spark plugs, poor fuel pressure or misfires. Other things such as a faulty idle air control valve (https://www.yourmechanic.com/services/idle-control-valve-replacement) may cause the engine idle to drop below the...

It sounds like you may have a clogged catalytic converter. The catalytic converter converts toxic exhaust gases into less harmful pollutants that are suitable to be expelled into the atmosphere. When this is clogged, this causes these gases to be...

Hi there. Unfortunately, that is a difficult question to answer as there are multiple variables to consider. The amount of time needed to complete any mechanical replacement or service depends on multiple variables including experience, access to tools, supplies and...